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2 years ago

PLEASE HELP ME!!! 4 MINUTES LEFT!!!!ZOOM IN

Mathematics

2 answers:

barxatty [35]2 years ago

5 0

Answer:

Step-by-step explanation:

the fifth one

mariarad [96]2 years ago

4 0

Answer:

it is not clear pls resend it fasttt

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For an equation 9-3x=21, the first step is

g100num [7]

Answer: A.Subtract 9 from both sides

Step-by-step explanation:

Answer A: Subtract 9 from both sides

Explanation: You want to solve the x from this equation, then the first thing is to put the number that has no valiable x to the other sides, so in this equations, we want to move 9 to the right side, so we subtract 9 from both sides.

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2 years ago

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If ab =8 and a square + bsquare =35 then (a-b) cube

vaieri [72.5K]

$\text{Given that,}\\\\ab = 8 ~ \text{and}~ a^2 +b^2 = 35\\\\\text{Now,}\\\\(a-b)^2 = a^2 +b^2 -2ab\\\\\implies (a-b)^2 =35 - 2 (8) \\\\\implies (a-b)^2 = 19\\\\\implies a-b = \pm\sqrt{19}\\\\\text{Case 1:}\\\\(a-b)^3 = (a-b)^2(a-b)\\\\\implies (a-b)^3 = 19 \left(\sqrt{19}\right)\\\\\text{Case 2:}\\\\(a-b)^3 = (a-b)^2(a-b)\\\\\implies (a-b)^3 = -19 \left(\sqrt{19}\right)$

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2 years ago

Let F be the event that a student is enrolled in a finance course, and let S be the event that a student is enrolled in a statis

Inessa [10]

Answer:

0.375

Step-by-step explanation:

Given that F is the event that a student is enrolled in a finance course, and let S be the event that a student is enrolled in a statistics course.

It is known that 40% of all students are enrolled in a finance course and 35% of all students are enrolled in statistics. Included in these numbers are 15% who are enrolled in both statistics and finance.

P(F) = 0.40: P(S) = 0.35: P(FS) = 0.15

A student is randomly selected, and it is found that the student is enrolled in finance.

Probability that this student is also enrolled in statistics/ student is enrolled in finance.

= $\frac{P(FS)}{P(F)} \\=\frac{0.15}{0.40} \\=0.375$

(Using conditional probability formula)

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3 years ago

Which segment is skew to bd

AVprozaik [17]

<span>Skew lines exist in a three-dimensional geometry. These are lines that are not parallel with each other but do not intersect. They are lines that do not lie on the same plane or non-coplanar. Hope this helps since there is no figure attached to the problem. </span>

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2 years ago

at the malt shop a large chocolate shake takes 8/9 of a point of milk, of the medium shake takes 1/7 the amount of a latge how m

Molodets [167]

8/9 + 1/7= 56/63 + 9/63= 56+9= 65/63 = 1 2/63
it equals 1 and 2 over 63

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2 years ago

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